:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #171c24;
  --panel-soft: #0f141b;
  --text: #f5f7fb;
  --muted: #9aa4b2;
  --line: #2c3544;
  --primary: #2d4770;
  --primary-hover: #3b5c91;
  --danger: #ff8a80;
  --focus: #81a7e6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.panel,
.topbar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 24px;
  box-shadow: 0 14px 34px rgb(0 0 0 / 28%);
}

.auth-panel {
  max-width: 520px;
  margin: 8vh auto 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.brand.compact {
  margin-bottom: 8px;
}

.brand h1 {
  margin: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0 0 8px;
}

.app {
  display: grid;
  gap: 20px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
  align-items: start;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  font-size: 42px;
  line-height: 1.05;
  font-weight: 900;
}

h2 {
  font-size: 21px;
  font-weight: 900;
}

h3 {
  font-size: 16px;
  font-weight: 900;
}

p {
  font-size: 16px;
  line-height: 1.35;
}

p,
label,
.muted {
  color: var(--muted);
}

.form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 15px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--text);
  background: var(--panel-soft);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--focus);
  outline: 2px solid rgb(129 167 230 / 18%);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border: 0;
  border-radius: 8px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  background: var(--primary);
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.button:hover {
  background: var(--primary-hover);
}

.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel-soft);
}

.secondary:hover {
  background: #1e2938;
}

.answer {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.feedback-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.import-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel-soft);
}

.suggestions {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.suggestion-list {
  display: grid;
  gap: 10px;
}

.suggestion-item {
  display: grid;
  width: 100%;
  justify-items: start;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text);
  text-align: left;
}

.suggestion-item small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.formatted-answer {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.formatted-answer p,
.formatted-answer ul,
.formatted-answer blockquote,
.formatted-answer h4 {
  margin: 0 0 12px;
}

.formatted-answer h4 {
  color: var(--text);
  font-size: 17px;
}

.formatted-answer blockquote {
  border-left: 4px solid var(--focus);
  padding: 10px 12px;
  background: #131c2a;
  color: #dbe7ff;
}

.formatted-answer sup {
  color: var(--focus);
  font-weight: 700;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgb(5 8 13 / 78%);
}

.modal-card {
  width: min(920px, 100%);
  max-height: min(86vh, 900px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgb(0 0 0 / 48%);
  padding: 22px;
}

.status-modal-card {
  width: min(520px, 100%);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.modal.hidden {
  display: none;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.tab-button {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--muted);
}

.tab-button.active {
  border-color: var(--focus);
  background: var(--primary);
  color: var(--text);
}

.tab-panel {
  display: block;
}

.compact-form {
  max-width: 760px;
  margin-bottom: 22px;
}

.list {
  display: grid;
  gap: 10px;
}

.list-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel-soft);
}

.list-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.danger {
  border: 1px solid #74363a;
  background: #3a171c;
  color: #ffb4ad;
}

.danger:hover {
  background: #5a2028;
}

.table-list {
  display: grid;
  gap: 8px;
  margin: 10px 0 24px;
}

.table-row {
  display: grid;
  grid-template-columns: minmax(160px, 1.2fr) minmax(120px, 0.8fr) minmax(90px, 0.5fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel-soft);
}

.table-row p {
  margin: 0;
  font-size: 14px;
}

.table-row strong {
  display: block;
  margin-bottom: 4px;
}

.inline-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
  margin-bottom: 16px;
}

.search-field {
  max-width: 520px;
  margin: 0 0 14px;
}

.message {
  min-height: 22px;
  margin-top: 14px;
  color: var(--danger);
  font-size: 15px;
}

.hidden {
  display: none;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 1180px);
    padding: 24px 0 42px;
  }

  h1 {
    font-size: 32px;
  }

  p {
    font-size: 15px;
  }

  .grid,
  .topbar,
  .inline-form,
  .table-row,
  .list-head,
  .row-actions {
    grid-template-columns: 1fr;
    display: grid;
  }

  button,
  .button {
    width: 100%;
  }
}